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Cash, Cash Equivalents and Investments (Tables) | 12 Months Ended
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Nov. 30, 2017
Investments and Cash [Abstract] |
Summary of Cash, Cash Equivalents and Trading and Available-for-sale Investments | A summary of our cash, cash equivalents and available-for-sale investments at November 30, 2017 is as follows (in thousands):
| Amortized Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 130,547 |  |  | $ | — |  |  | $ | — |  |  | $ | 130,547 |
Money market funds | 2,917 |  |  | — |  |  | — |  |  | 2,917 |
State and municipal bond obligations | 40,458 |  |  | — |  |  | (231 | ) |  | 40,227 |
U.S. treasury bonds | 3,517 |  |  | — |  |  | (26 | ) |  | 3,491 |
Corporate bonds | 6,463 |  |  | — |  |  | (36 | ) |  | 6,427 |
Total | $ | 183,902 |  |  | $ | — |  |  | $ | (293 | ) |  | $ | 183,609 |
A summary of our cash, cash equivalents and available-for-sale investments at November 30, 2016 is as follows (in thousands):
| Amortized Cost Basis |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash | $ | 196,863 |  |  | $ | — |  |  | $ | — |  |  | $ | 196,863 |
Money market funds | 10,173 |  |  | — |  |  | — |  |  | 10,173 |
State and municipal bond obligations | 32,831 |  |  | — |  |  | (107 | ) |  | 32,724 |
U.S. treasury bonds | 6,542 |  |  | — |  |  | (29 | ) |  | 6,513 |
Corporate bonds | 3,485 |  |  | — |  |  | (4 | ) |  | 3,481 |
Total | $ | 249,894 |  |  | $ | — |  |  | $ | (140 | ) |  | $ | 249,754 |
Summary of Cash, Cash Equivalents and Trading and Available-for-sale Investments by Balance Sheet Classification | Such amounts are classified on our consolidated balance sheets as follows (in thousands):
| November 30, 2017 |  | November 30, 2016
| Cash and Equivalents |  | Short-Term Investments |  | Cash and Equivalents |  | Short-Term Investments
Cash | $ | 130,547 |  |  | $ | — |  |  | $ | 196,863 |  |  | $ | — |
Money market funds | 2,917 |  |  | — |  |  | 10,173 |  |  | — |
State and municipal bond obligations | — |  |  | 40,227 |  |  | — |  |  | 32,724 |
U.S. treasury bonds | — |  |  | 3,491 |  |  | — |  |  | 6,513 |
Corporate bonds | — |  |  | 6,427 |  |  | — |  |  | 3,481 |
Total | $ | 133,464 |  |  | $ | 50,145 |  |  | $ | 207,036 |  |  | $ | 42,718 |
Fair Value of Debt Securities by Contractual Maturity | The fair value of debt securities by contractual maturity is as follows (in thousands):
| November 30, 2017 |  | November 30, 2016
Due in one year or less | $ | 22,333 |  |  | $ | 21,172 |
Due after one year (1) | 27,812 |  |  | 21,546 |
Total | $ | 50,145 |  |  | $ | 42,718 |
(1) | Includes state and municipal bond obligations, U.S. treasury bonds, and corporate bonds, which are securities representing investments available for current operations and are classified as current in the consolidated balance sheets.

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- Definition Schedule of cash, cash equivalents and available for sale investments by major security type classified on balance sheet. + References No definition available. + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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